4. Measuring and testing
  5. Center of gravity; turning moment; metacentric height
  6. Ball driving sporting implement

Joseph H. Butler

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Apparatus and method for measuring displacement of a curved...

Optics: measuring and testing – Position or displacement
Reexamination Certificate

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Apparatus for locating and aligning golf club shaft spine

Metal working – Means to assemble or disassemble – With signal – scale – illuminator – or optical viewer
Reexamination Certificate

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Apparatus for locating and aligning golf club shaft spine

Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Reexamination Certificate

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Automated system for determining physical characteristics of...

Optics: measuring and testing – Shape or surface configuration
Reexamination Certificate

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Center of gravity locator

Measuring and testing – Center of gravity; turning moment; metacentric height – Ball driving sporting implement
Patent

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Profile ID: LFUS-PAI-P-1885255

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